<div id="node-<?php print $node->nid; ?>" class="<?php print $classes; ?> clear fix"<?php print $attributes; ?>>

    <div class="album-thumbnails">
        <ul>
            <?php foreach($node->field_album_image['und'] as $id => $img): ?>
                <li>
                    <a href="<?php echo image_style_url('album_image', $img['uri']); ?>">
                        <img src="<?php echo image_style_url('album_thumbnail', $img['uri']); ?>" <?php if($id == 0){ echo 'class="active"'; }?> />
                    </a>
                </li>
            <?php endforeach; ?>
        </ul>
    </div>

    <div class="album-image">
        <img src="<?php echo image_style_url('album_image', $node->field_album_image['und'][0]['uri']); ?>" />
    </div>
</div>